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Is there a way to put a self destroy password on ubuntu disk ecncryption ? Or self destroy after n bad password attempt ?

When someone ask you to entre the password, you can enter the "self destruct" password who blank the disk... not a bad idea ;-)

Best regards.

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Formatting the drive can take a while and it can take even longer to securely destroy it (in a way that it can't be recovered). Instead of formatting it, maybe assign a new random encrpytion to it so that nobody knows it and nobody can unlock it. – Frank Dec 5 '13 at 16:14
Really a good question. – Ebenezar Dec 6 '13 at 12:41

I don't know of an implementation for Ubuntu which uses LUKS. But there is a patched version of Truecrypt available which implements exactly this. It was presented at Brucon under the name "Moar Anti-Forensics for the Louise". You can find the source on Github.

There currently is no patch (I'm aware of) which supports this for the dm-crypt module within Ubuntu.

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